FLORA OF MADAGASCAR. 273 
tenuior, A. ciliaris, and A. striatula of the Cape. It may be the 
undescribed A. leptocaulon, Bojer, Hort. Maur. p. 345. 
ALOE MACROCLADA, n. sp. 
Longe caulescens, foliis magnis lanceolatis margine corneo continuo 
dentibus parvis deltoideis patulis subcontiguis przedito, pedunculo simplici 
crasso elongato, racemo densissimo cylindrico sesquipedali, pedicellis bre- 
vibus, bracteis magnis oblongis, perianthii tubo subnullo, segmentis lanceo- 
latis, genitalibus exsertis. 
Caudex 3 or 4 feet long. Leaves lanceolate, 12-2 ft. long, 
3—4 in. broad near the base, narrowed gradually to the apex, not 
spotted, furnished with a continuous stramineous horny border 
and spreading deltoid stramineous prickles j-i in. long and 
broad, 3-3 in. apart. Peduncle simple, elongated, terete, nearly 
an inch thick at the base, 51, in. thick at the bottom of the raceme. 
Raceme dense, cylindrical, 14 ft. or more long, 14 in. in diam. 
Bracts oblong obtuse, 3 in. long, with several fine ribs down the 
central third. Pedicels not more than j-l in. long. Perianth 
3-2 in. long, cut down nearly to the base into linear-oblong seg- 
ments with 5-7 green ribs down the back. Stamens and style 
both shortly exserted.—Top of Angavo, in the province of Ime- 
rina, Baron 1178! 1656! Allied to A. vera and A. Sahundra. 
KNIPHOFIA PALLIDIFLORA, n. Sp. 
Glabra, dense czespitosa, foliis siccis anguste linearibus quam caulis duplo 
brevioribus, scapo nudo subpedali, racemo sursum denso, bracteis parvis 
deltoideis vel lanceolatis, pedicellis apice articulatis, perianthii parvi albi 
infundibularis segmentis oblongis quam tubus triplo brevioribus, genitalibus 
inclusis. 
A. densely tufted erect perennial herb, with the lower part of 
the old leaves splitting up into fibres. Leaves densely tufted, 
erect, not more than 6-9 in. long, 1-1 line broad, with not more 
than 2-3 veins on each side of the distinct midrib, the margin 
slightly seabrous. Peduncle naked, slender, terete, about a foot 
long. Raceme dense at the top for 1-2 inches, but lax at the 
base and with several distant flowerless bracts below it; bracts 
small, membranous, the lower ones lanceolate, the upper deltoid, 
qs} in. long. Pedicels ascending, $-j in. long, articulated at the 
apex, so that the flowers fall easily. Perianth white, without any 
tinge of red, 3 in. long, with 6 brown stripes running down the 
keel of the segments and the tube. Stamens as long as the 
perianth, with minute orbicular anthers.-—A nkaratra Mountains, 
